Our Sub 1:40 Half Marathon - 12 week training plan is designed to give you the best chance of breaking 1 hours 40mins for the HM whilst enjoying the training process. This plan consists of: - 4-5 runs per week - 2 to 3 additional sessions including strength, core, stretching & mobility - Running activities are set in km's - Paces targeting specifically a sub 1:40 for the HM - Optional 5km race scheduled on week 6 For every run in the plan we have provided exact pace ranges, using our own ...